I explained last year that there is an inverse relationship between government efficiency and the size of government.
And Mark Steyn made the same point, using humor, back in 2012.
Interestingly, we have some unexpected allies.
In a recently released study, two economists for the World Bank decided to investigate the effectiveness of government spending. From "Efficiency of Public Spending in Education, Health, and Infrastructure: An International Benchmarking Exercise":
Governments of developing countries typically spend resources equivalent to between 15 and 30 percent of GDP. Hence, small changes in the efficiency of public spending could have a significant impact on GDP and on the attainment of the government’s objectives. The first challenge faced by stakeholders is measuring efficiency. This paper attempts such quantification and verifies empirical regularities in the cross country-variation in the efficiency scores.
So they calculated how much different governments were spending and the results that were being achieved.
Using two different methodologies, here’s what they found for health spending and life expectancy:
The goal, of course, is to get good results (to be higher on the vertical axis) without having to spend a lot of money (in other words, try to be farther left on the horizontal axis).
Here are the numbers for education quality and education spending:
The economists then crunched all the numbers to determine the relationship between spending and outcomes.
The results may surprise some people:
Government expenditure (GOVEXP) is negatively associated with efficiency scores in education (Tables 14 a and b). This result is robust to changes in the output indicator selected. In the output efficiency case, the impact is ambiguous specially when the PISA Math and Science scores are the output indicators (Table 14 b). In health (Tables 15 a and b), the negative association is present in both input and output efficiency. In infrastructure, the expenditure variables (GOVEXP and PUBGFC10PC) are negative in the six output indicators that are used (Table 16a).23 There is a robust trade-off between size of expenditure and efficiency. …The share of public financing within the total (sum of public and private) is robustly associated with lower efficiency scores.
But here’s another surprise: these World Bank results are not an outlier.
Further, the International Monetary Fund found that decentralized government is more efficient.